Patents by Inventor Shinichi Yatsuzuka
Shinichi Yatsuzuka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20120266591Abstract: A thermo-magnetic engine apparatus includes a magnetic element having a high temperature end to which hot energy is supplied and a low temperature end to which cold energy is supplied, a magnetic-field applier device, and a power source device. Curie temperature of the magnetic element is set between a temperature of the high temperature end and a temperature of the low temperature end. The power source device gains a magnetic power generated between the magnetic element and the magnetic-field applier device as kinetic energy.Type: ApplicationFiled: April 19, 2012Publication date: October 25, 2012Applicant: DENSO COPRPORATIONInventors: Tsuyoshi Morimoto, Naoki Watanabe, Shinichi Yatsuzuka, Kazutoshi Nishizawa
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Publication number: 20120111549Abstract: A heat transport fluid passage device for a heat transport circuit has a wall defining a passage through which a heat transport fluid flows. The heat transport fluid contains a solvent made of water or an organic substance and fine particles dispersed in the solvent. A hydrophobic membrane is formed on a surface of the wall.Type: ApplicationFiled: November 8, 2011Publication date: May 10, 2012Applicant: DENSO CORPORATIONInventors: Rie Fukuta, Yoshimasa Hijikata, Yoshiyasu Yamada, Shinichi Yatsuzuka, Kenji Takigawa, Tetsuo Toyama
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Patent number: 8171730Abstract: An external combustion engine provided with a pipe-shaped main container with a heating portion and a cooling portion, an output part converting displacement of the liquid part of said working fluid generated due to the change in volume of said working fluid accompanying generation and condensation of said steam to mechanical energy for output, a venturi provided at a communicating part of the main container and an auxiliary container, a communicating member forming a communicating passage bypassing the venturi and communicating the main container and the auxiliary container, and a shutting means for closing the communicating passage at the time of normal operation and opening the communicating passage at the time of startup, wherein at the time of startup, the pressure loss at the communicating passage becomes smaller than a saturated steam pressure at the temperature of the heating portion.Type: GrantFiled: March 3, 2009Date of Patent: May 8, 2012Assignee: Denso CorporationInventors: Shuzo Oda, Shinichi Yatsuzuka, Yasunori Niiyama, Takashi Kaneko
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Patent number: 8112981Abstract: An external combustion engine comprising a pipe-shaped main container in which a working fluid is sealed flowably in a liquid state, a heated part formed at a location of one end of the main container and heating part of the working fluid in the main container in order to make it evaporate, a cooled part formed at a location next to the heated part toward the other end of the main container and cooling the vapor of the working fluid evaporated at the heated part in order to make it condense, an output unit communicated with the other end of the main container and converting the displacement of the liquid phase part of the working fluid to mechanical energy for output, and a controller alternately performing a heat storage mode making displacement of the liquid phase part of the working fluid stop in order to make the heated part store heat and an output mode allowing displacement of the liquid phase part of the working fluid and taking output from the output unit.Type: GrantFiled: January 19, 2009Date of Patent: February 14, 2012Assignee: Denso CorporationInventors: Shuzo Oda, Shinichi Yatsuzuka, Yasunori Niiyama, Takashi Kaneko, Mamoru Shimoda
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Patent number: 8109086Abstract: An external combustion engine provided with a main container in which a working fluid is sealed flowable in a liquid phase state, a heater heating part of the liquid phase state working fluid in the main container to make it vaporize, a cooler cooling steam of the working fluid heated and vaporized by the heater so as to make it liquefy, an output part converting displacement of the liquid part of the working fluid caused by a change of volume of the steam into mechanical energy and outputting the energy, an auxiliary container communicated with the main container through a venturi means and having a liquid sealed inside it, an auxiliary heater heating the liquid in the auxiliary container to make it vaporize, a storage container communicated with the auxiliary container and storing the liquid, and a liquid draining means for draining liquid in the auxiliary container into the storage container when the internal pressure of the auxiliary container becomes a first predetermined pressure or more.Type: GrantFiled: May 13, 2009Date of Patent: February 7, 2012Assignee: Denso CorporationInventors: Shinichi Yatsuzuka, Takashi Kaneko, Shuzo Oda, Toyohiro Kano
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Publication number: 20110308774Abstract: An apparatus of a heat transfer circuit in which a heat transfer fluid with small particles circulates includes a container and an agitator. The container is located in a lower position of the apparatus in a vertical direction and defines a chamber where the heat transfer liquid passes when circulating in the heat transfer circuit. The agitator is located in the chamber to agitate the heat transfer fluid.Type: ApplicationFiled: June 15, 2011Publication date: December 22, 2011Applicant: DENSO CORPORATIONInventors: Rie Fukuta, Yoshimasa Hijikata, Shinichi Yatsuzuka, Yoshiyasu Yamada, Touru Kawaguchi, Yasunori Niiyama, Kentarou Fukuda
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Patent number: 8020380Abstract: An external combustion engine alternately repeating a first stroke of making a working fluid evaporate at a plurality of heating portions and making a liquid phase part of the working fluid displace toward an output part side and a second stroke of making the working fluid evaporated at the first stroke condense at the plurality of cooling portions and making the liquid phase part of the working fluid displace toward the side of the plurality of the heating portions and provided with inflow adjusting means for reducing differences in inflows among the plurality of the heating portions, wherein the inflow is defined as the amount of a liquid phase part of the working fluid flowing into the heating portions when the liquid phase part of the working fluid displaces from the output part side to the side of the plurality of the heating portions in the second stroke.Type: GrantFiled: February 6, 2009Date of Patent: September 20, 2011Assignee: Denso CorporationInventors: Shuzo Oda, Shinichi Yatsuzuka, Yasunori Niiyama, Takashi Kaneko, Shunji Okemoto
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Publication number: 20110219765Abstract: A heat engine includes a container in which a liquid piston made of a liquid operation fluid is sealed to flow therein, an exterior evaporator located outside of the container to generate vapor of the operation fluid, a suction portion arranged at one end side of the container to draw the vapor generated in the exterior evaporator into the container, an expansion portion in which the vapor drawn into the container is expanded to cause a displacement of the liquid piston, an output portion arranged at the other end side of the container to convert the displacement of the liquid piston to a mechanical energy, a liquid piston discharge portion for discharging a part of the liquid operation fluid as the liquid piston from the container, and a vapor discharge portion configured to discharge the vapor without being condensed in the container to outside of the container.Type: ApplicationFiled: March 8, 2011Publication date: September 15, 2011Applicant: DENSO CORPORATIONInventors: Yasunori Niiyama, Shinichi Yatsuzuka, Tsuyoshi Morimoto, Kentarou Fukuda
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Patent number: 7987670Abstract: In a steam engine having multiple main containers, first and second communication pipes are arranged in parallel to each other for respectively communication an auxiliary container with the main containers. Restricted portions and a first switching device are formed in the first communication pipe. The first communication pipe is closed during a start-up step of a starting operation of the engine, in order to prevent that an excess amount of working fluid may flow back from the auxiliary container to the main containers. As a result, a start-up time can be reduced.Type: GrantFiled: January 15, 2009Date of Patent: August 2, 2011Assignee: Denso CorporationInventors: Shuzo Oda, Shinichi Yatsuzuka, Yasunori Niiyama, Takashi Kaneko
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Patent number: 7958934Abstract: A counter-stream-mode oscillating-flow heat transport apparatus improves heat transport capability by imparting oscillatory displacement to a fluid located near a heat-generating element such that the fluid is directed toward the heat-generating element. Turning portions of serpentine flow paths are disposed to face the heat-generating element. The flow paths are stacked in multiple layers in the direction from the heat-generating element to the flow paths, and a plurality of flow paths are disposed adjacent to the heat-generating element in the direction of fluid oscillation.Type: GrantFiled: September 8, 2008Date of Patent: June 14, 2011Assignee: Denso CorporationInventors: Kenichi Nara, Yasumasa Hagiwara, Kimio Kohara, Shinichi Yatsuzuka, Seiji Inoue
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Patent number: 7905090Abstract: A steam engine has a pipe shaped fluid container, a heating and cooling devices respectively provided at a heating and cooling portions of the fluid container, and an output device connected to the fluid container, so that the output device is operated by the fluid pressure change in the fluid container, to generate an electric power. In such a steam engine, an inner radius “r1” of the cooling portion is made to almost equal to a depth “?1” of the thermal penetration, which is calculated by the following formula (1); ? 1 = 2 ? a 1 ? ( 1 ) wherein, “a1” is a heat diffusivity of the working fluid at its low pressure, and “?” is an angular frequency of the movement of the working fluid.Type: GrantFiled: August 11, 2008Date of Patent: March 15, 2011Assignee: Denso CorporationInventors: Shinichi Yatsuzuka, Shuzo Oda, Yasumasa Hagiwara, Toshiyuki Morishita, Katsuya Komaki
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Patent number: 7779632Abstract: An external combustion engine 10 is disclosed, wherein a container 11 sealed with a working medium adapted to flow in a liquid state includes a heating unit 13 for generating a vapor of the working medium 12 by heating part of the working medium, and a cooling unit 14 for liquefying by cooling the vapor. The volume of the working medium 12 is changed by the generation and liquefaction of the vapor, and the displacement of the liquid portion of the working medium 12 caused by the volume change of the working medium 12 is converted into and output as mechanical energy. The heating unit 13 is structured so that inner members 51a, 53a arranged on the inside and outer members 51b, 53b arranged on the outside are bonded to each other. The outer members 51b, 53b are made of a second material higher in heat resistance than the first material of the inner members 51a, 53a. Further, the thickness of the inner members 51a, 53a is not smaller than the thermal penetration depth ? of the first material.Type: GrantFiled: March 5, 2008Date of Patent: August 24, 2010Assignee: DENSO CorporationInventors: Yasunori Niiyama, Shinichi Yatsuzuka, Takashi Kaneko, Shuzo Oda, Katsuya Komaki
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Patent number: 7716928Abstract: An external combustion engine includes: a main container sealed with a working fluid in a liquid state adapted to flow; a heater for heating a portion of the working fluid in the main container and generating the vapor of the working fluid; a cooler for cooling and liquefying the vapor; an output unit for outputting by converting the displacement of the liquid portion of the working fluid generated by the volume change of the working fluid due to the generation and liquefaction of the vapor into mechanical energy; and an auxiliary container communicating with the main container. The heater, the cooler and the output unit are arranged in order, in the direction of displacement of the working fluid. The working fluid is sealed in the auxiliary container which communicates with the portion of the main container nearer the output unit than the cooler.Type: GrantFiled: February 5, 2008Date of Patent: May 18, 2010Assignee: Denso CorporationInventors: Shuzo Oda, Shinichi Yatsuzuka, Yasunori Niiyama, Katsuya Komaki, Takashi Kaneko
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Patent number: 7698892Abstract: An external combustion engine comprises a container (11) with a working liquid (12) sealed therein in a state adapted to flow, a heater (13) for heating and vaporizing the working liquid (12) in the container (11), and a cooler (14) for cooling and liquefying the vapor of the working liquid (12) heated and vaporized by the heater (13). The displacement of the working liquid (12) caused by the vapor volume change is output as mechanical energy by being converted into the mechanical energy. A pressure regulating liquid (18) is sealed in a pressure regulating container (16) communicating with the container (11). A pressure regulating unit (19) regulates the internal pressure (Pt) of the pressure regulating container (16).Type: GrantFiled: March 15, 2007Date of Patent: April 20, 2010Assignee: Denso CorporationInventors: Katsuya Komaki, Shinichi Yatsuzuka, Shuzo Oda, Setsuo Nakamura
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Patent number: 7669415Abstract: An external combustion engine provided with a plurality of evaporators and stabilized in output and efficiency, that is, an engine provided with at least one main container, a plurality of evaporators heating the working medium to evaporate, condensers cooling the vapor of the working medium evaporated at the evaporators to make it condense, an output part communicated with the other end of the main container and converting displacement of a liquid part of the working medium occurring due to fluctuations in volume of the working medium accompanying evaporation and condensation of the working medium to mechanical energy for output, a single main container pressure adjusting means adjusting an internal pressure of the main container, and controlling means for controlling the main container pressure adjusting means based on a lowest temperature in the temperatures of the plurality of evaporators constituting a minimum evaporator temperature.Type: GrantFiled: January 28, 2008Date of Patent: March 2, 2010Assignee: Denso CorporationInventors: Katsuya Komaki, Shinichi Yatsuzuka, Yasunori Niiyama
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Patent number: 7644582Abstract: An external combustion engine including a container 10 sealed with a working medium 14 in liquid phase adapted to flow, a multiplicity of evaporators 201 to 204 for heating and evaporating part of the liquid-phase working medium 14, a multiplicity of condensers 221 to 224 for cooling and condensing the working medium 14 evaporated in the evaporators 201 to 204, and an output unit 11 for outputting by converting the displacement of the liquid-phase portion of the working medium 14 into mechanical energy. The multiplicity of the evaporators 201 to 204 share a heat source from which heat is supplied thereto.Type: GrantFiled: March 13, 2008Date of Patent: January 12, 2010Assignee: Denso CorporationInventors: Shinichi Yatsuzuka, Yasunori Niiyama, Shuzo Oda, Katsuya Komaki
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Publication number: 20090288411Abstract: An external combustion engine provided with a main container in which a working fluid is sealed flowable in a liquid phase state, a heater heating part of the liquid phase state working fluid in the main container to make it vaporize, a cooler cooling steam of the working fluid heated and vaporized by the heater so as to make it liquefy, an output part converting displacement of the liquid part of the working fluid caused by a change of volume of the steam into mechanical energy and outputting the energy, an auxiliary container communicated with the main container through a venturi means and having a liquid sealed inside it, an auxiliary heater heating the liquid in the auxiliary container to make it vaporize, a storage container communicated with the auxiliary container and storing the liquid, and a liquid draining means for draining liquid in the auxiliary container into the storage container when the internal pressure of the auxiliary container becomes a first predetermined pressure or more.Type: ApplicationFiled: May 13, 2009Publication date: November 26, 2009Applicant: DENSO CORPORATIONInventors: Shinichi Yatsuzuka, Takashi Kaneko, Shuzo Oda, Toyohiro Kano
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Publication number: 20090223222Abstract: An external combustion engine comprising a pipe-shaped main container in which a working fluid is sealed flowably in a liquid state, a heated part formed at a location of one end of the main container and heating part of the working fluid in the main container in order to make it evaporate, a cooled part formed at a location next to the heated part toward the other end of the main container and cooling the vapor of the working fluid evaporated at the heated part in order to make it condense, an output unit communicated with the other end of the main container and converting the displacement of the liquid phase part of the working fluid to mechanical energy for output, and a controller alternately performing a heat storage mode making displacement of the liquid phase part of the working fluid stop in order to make the heated part store heat and an output mode allowing displacement of the liquid phase part of the working fluid and taking output from the output unit.Type: ApplicationFiled: January 19, 2009Publication date: September 10, 2009Applicant: DENSO CORPORATIONInventors: Shuzo Oda, Shinichi Yatsuzuka, Yasunori Niiyama, Takashi Kaneko, Mamoru Shimoda
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Publication number: 20090223216Abstract: An external combustion engine provided with a pipe-shaped main container with a heating portion and a cooling portion, an output part converting displacement of the liquid part of said working fluid generated due to the change in volume of said working fluid accompanying generation and condensation of said steam to mechanical energy for output, a venturi provided at a communicating part of the main container and an auxiliary container, a communicating member forming a communicating passage bypassing the venturi and communicating the main container and the auxiliary container, and a shutting means for closing the communicating passage at the time of normal operation and opening the communicating passage at the time of startup, wherein at the time of startup, the pressure loss at the communicating passage becomes smaller than a saturated steam pressure at the temperature of the heating portion.Type: ApplicationFiled: March 3, 2009Publication date: September 10, 2009Applicant: DENSO CORPORATIONInventors: Shuzo Oda, Shinichi Yatsuzuka, Yasunori Niiyama, Takashi Kaneko
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Publication number: 20090223223Abstract: In a steam engine having multiple main containers, first and second communication pipes are arranged in parallel to each other for respectively communication an auxiliary container with the main containers. Restricted portions and a first switching device are formed in the first communication pipe. The first communication pipe is closed during a start-up step of a starting operation of the engine, in order to prevent that an excess amount of working fluid may flow back from the auxiliary container to the main containers. As a result, a start-up time can be reduced.Type: ApplicationFiled: January 15, 2009Publication date: September 10, 2009Applicant: DENSO CORPORATIONInventors: Shuzo Oda, Shinichi Yatsuzuka, Yasunori Niiyama, Takashi Kaneko